scholarly journals Selective capture of hexavalent chromium from an anion-exchange column of metal organic resin–alginic acid composite

2016 ◽  
Vol 7 (3) ◽  
pp. 2427-2436 ◽  
Author(s):  
Sofia Rapti ◽  
Anastasia Pournara ◽  
Debajit Sarma ◽  
Ioannis T. Papadas ◽  
Gerasimos S. Armatas ◽  
...  
Keyword(s):  
Ion Exchange ◽  
Anion Exchange ◽  
Hexavalent Chromium ◽  
Alginic Acid ◽  
Anion Exchange Column ◽  
Exchange Column ◽  
Ion Exchange Column ◽  
Metal Organic ◽  
Organic Resin

An ion-exchange column of metal organic resin (MOR-1)–alginic acid (HA) composite shows remarkable efficiency and selectivity for sorption of Cr(vi).

scholarly journals Correction: Selective capture of hexavalent chromium from an anion-exchange column of metal organic resin–alginic acid composite

2016 ◽  
Vol 7 (3) ◽  
pp. 2438-2438 ◽  
Author(s):  
Sofia Rapti ◽  
Anastasia Pournara ◽  
Debajit Sarma ◽  
Ioannis T. Papadas ◽  
Gerasimos S. Armatas ◽  
...  
Keyword(s):  
Anion Exchange ◽  
Hexavalent Chromium ◽  
Alginic Acid ◽  
Anion Exchange Column ◽  
Exchange Column ◽  
Metal Organic ◽  
Organic Resin

Correction for ‘Selective capture of hexavalent chromium from an anion-exchange column of metal organic resin–alginic acid composite’ by Sofia Rapti et al., Chem. Sci., 2016, DOI: 10.1039/c5sc03732h.

Isolation and Fast Purification o f Neocarzinostatin by FPLC-Ion Exchange Chromatography

1983 ◽  
Vol 38 (11-12) ◽  
pp. 939-942
Keyword(s):  
Ion Exchange ◽  
Anion Exchange ◽  
Ion Exchange Chromatography ◽  
Exchange Chromatography ◽  
New Method ◽  
Clinical Grade ◽  
Anion Exchange Column ◽  
Exchange Column ◽  
Culture Filtrates ◽  
Reproducible Method

Neocarzinostatin, a highly toxic antitum or protein containing an essential nonprotein chromophore, can be isolated and purified from culture filtrates of Streptomyces carzinostaticus. Usually a lengthy procedure of up to 60 h is necessary for the isolation, including several chromatographic steps partly under conditions which favour inactivation of the drug by release of chromophore. We describe a new method yielding practically clinical grade Neocarzinostatin from crude extracts in 20 min. This very fast and reproducible method was made possible by using a Mono Q anion exchange column filled with monodisperse gel material which has been recently developed

Decreasing waste brine volume from anion exchange with nanofiltration: implications for multiple treatment cycles

2021 ◽  
Author(s):  
Julie A. Korak ◽  
Leah C. Flint ◽  
Miguel Arias-Paić
Keyword(s):  
Ion Exchange ◽  
Anion Exchange ◽  
Hexavalent Chromium ◽  
Implementation Cost ◽  
Multiple Treatment ◽  
Brine Disposal ◽  
Brine Volume ◽  
Regeneration Cycle

Ion exchange (IX) removes hexavalent chromium from water, but waste brine disposal makes implementation cost-prohibitive in many communities. Nanofiltration treats waste brine for reuse in the next regeneration cycle.

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